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Brazilian internet service provider hacked

Posted on December 4th, 2013 at 9:33 AM EST

A few users on Apple’s support forums are reporting a problem where an Adobe Flash Player update notice pops up on most web sites. It now appears that the problem is affecting users of the Brazilian internet service provider (ISP) NET Virtua. Apparently, this was done through poisoning of their domain name servers (DNS). Such DNS poisoning attacks allow a hacker to direct requests for certain sites to a fake lookalike site, usually with the intent to harvest usernames and passwords.
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